/Engine/Plugins/Runtime/Metasound/Source/MetasoundFrontend/Public/MetasoundArrayNodes.h
TArrayGetOperatorcopies a value from the array to the output when a trigger occurs. Initially, the output value is default constructed and will remain that way until until a trigger is encountered.
template<typename ArrayType> class TArrayGetOperator : public [Metasound::TExecutableOperator< TArrayGetOperator< ArrayType > >](API\Plugins\MetasoundGraphCore\TExecutableOperator)